Submission #1115781

---

Source Code Expand

#include <bits/stdc++.h>

#define ll long long
#define ld long double
using namespace std;

const ll mod = (ll)1000000007;

int main() {
    ll n,m;
    cin >> n >> m;
    ll answ = 0;
    if (n*2 <= m)
    {
        answ += n;
        m -= n*2;
        n = 0;
    }
    else
    {
        answ += m/2;
        m = 0;
    }
    if (m >= 4)
    {
        answ += m/4;
    }
    cout << answ << endl;
    return 0;
}

Submission Info

Judge Result